. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. 451 :UT?LRnJT (Julians cinerea) .\nthracnose caased by leotostyla (2>.) Ces. De , = (ilarssonia :landis (Lit.) Sacc, ) (Gloeos"criu:r. .iw:landis (Lib.) Ilont. ) I'e\.' York - probably i'cund v/herever butternut grov/s in state, v/as severe on many trees. Perjisylvania - leaves yellov/ing and dying, fungus fruiting nicely. (LOO) Illinois - prevalence as preceding years
. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. 451 :UT?LRnJT (Julians cinerea) .\nthracnose caased by leotostyla (2>.) Ces. De , = (ilarssonia :landis (Lit.) Sacc, ) (Gloeos"criu:r. .iw:landis (Lib.) Ilont. ) I'e\.' York - probably i'cund v/herever butternut grov/s in state, v/as severe on many trees. Perjisylvania - leaves yellov/ing and dying, fungus fruiting nicely. (LOO) Illinois - prevalence as preceding years, lov/a - unimportant during 1921. Leaf spot caused by Micro stroma ,^landis (Eer.) Sacc. Pennsylvania - rather cormon but not severe. (LOO) Fig. 87. Distribution of anthracnose of*^J ^^''^C^p^^ ^-^ ^ ViV ut in the U. S. as reported to the Plant \ butternut Disease Survey. R>vL r CiMIPHOR (Cinnanonun camphor^ Anthracnose caused by Glocosporiurri camphorae Sacc. Texas - not important, trace. CATALPA (Catalpa cpp.) Leaf spot caused by Macros-ooriuaT. catalpae L. H. Connecticut - two reports of ccciirrence during j^ear. Indiana - not Pig. 88. Distribution of Phyllosticta leaf spot of the catalpa in the U- S. as reported to the Plant Disease Survey Leaf spot caused by Phyllosticta catalpae E. c- M. York - not important ilaririg present year. Ohio - a moderate '..'as general in distribution, causing defoliation first reported appearance July 18, greatest aoount of injury occurred during July v/hen tiie host v/as in full leaf, v/eather favor- able to thjB disease. Control measures siiggested by Dr. Preda Detmers, Ohio A,:ricultural Lxperi rent Station as follows: ''Tirst, the sanitary one of buriiing fallen infected leaves and recond, spraying with Bordeaux mixture (A-0-5O. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may no
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1922
